Table 3.57
Streamflow and surface fresh water intake in Canada by drainage region

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Streamflow and surface fresh water intake in Canada by drainage region
  Code Total streamflow 1 Surface fresh water intake Water intake as share of streamflow
Municipal Industrial Agricultural Total
   code          cubic kilometres         millions of cubic metres         percent
Canada   3,315.54 4,872.83 31,491.03 4,098.19 40,462.05 1.22
Pacific Coastal and Yukon 1,5 595.90 192.68 597.69 78.73 869.10 0.15
Fraser - Lower Mainland 2 125.26 428.61 219.81 467.98 1,116.40 0.89
Columbia and Okanagan - Similkameen 4,3 65.69 71.54 109.38 228.17 409.10 0.62
Peace - Athabasca 6 91.55 28.01 169.82 21.69 219.49 0.24
Lower Mackenzie and Arctic Coast - Islands 7,8 507.13 6.57 5.62 0.00 12.22 0.00
North Saskatchewan 10 7.38 142.20 1,457.41 86.57 1,686.19 22.85
South Saskatchewan, Missouri and Assiniboine - Red 11,9,12 9.50 435.73 753.62 2,891.82 4,081.17 42.96
Winnipeg 13 23.90 11.48 197.23 1.14 209.85 0.88
Lower Saskatchewan - Nelson 14 60.27 14.09 31.90 24.10 70.09 0.12
Churchill 15 22.11 6.34 3.28 8.36 17.97 0.08
Keewatin - Southern Baffin 16 169.75 0.16 0.00 0.00 0.16 0.00
Northern Ontario 17 189.06 12.47 86.68 0.00 99.54 0.05
Northern Quebec 18 530.75 5.87 59.94 0.00 65.83 0.01
Great Lakes - Ottawa - St. Lawrence 19,20,21 226.96 3,087.12 27,229.02 271.64 30,587.41 13.48
North Shore - Gaspé 22 257.32 78.41 134.29 4.39 216.45 0.08
Saint John - St. Croix 23 24.57 97.39 109.78 2.77 209.93 0.85
Maritime Coastal 24 114.40 139.74 132.07 10.83 282.63 0.25
Newfoundland - Labrador 25 294.04 114.40 193.48 0.00 308.51 0.10
1.
Streamflow is represented by the long-term annual average.
Note(s):
These drainage regions and associated flow measures are adapted from Pearse (1985) (see full reference below). Some of these drainage region aggregates have more than one outflow. Drainage regions at the US-Canada border exclude inflow from United States.
Source(s):
Environment Canada, 1998, Municipal Water Use Database. Pearse, P.H., F. Bertrand and J.W. MacLaren, 1985, Currents of Change: Final Report of the Inquiry on Federal Water Policy, Environment Canada, Ottawa. Statistics Canada and Environment Canada, 1996, Industrial Water Use Survey. Statistics Canada, Environment Accounts and Statistics Division, special tabulation.
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